Figure 2

Immunohistochemical C/EBPβ localization across the menstrual cycle. Proliferative phase (A, B). Early secretory phase (C, D). Mid-secretory phase (E, F). Late secretory phase (G, H). C/EBPβ staining is shown in A, C, E, and G, while controls for non-specific staining (B, D, F, and H) utilized identical conditions except the primary antibody was omitted.